package Test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
/***

 * 得到中文首字母(en)

 * @author lxm_09

 */

public class ChinaInitial {
	/**
	 * 切割图片url
	 * @param site
	 * @return
	 */
	public static List<Map<String,String>> siteImage(String[] site){
	    List<Map<String,String>> prolist=new ArrayList<Map<String,String>>();
	    for(int i=0;i<site.length;i++){
	    	Map<String,String> map = new HashMap<String,String>();
	    	map.put("id",i+"");
	    	map.put("name", site[i]);
	    	prolist.add(map);
	    	
	    	
	    	
	    	
	    	
	    }
		return prolist;
	}
	

	/**

	 * @param args

	 */

	public static void main(String[] args) {

		String str="我是中国人";

		System.out.println("中文首字母："+getPYIndexStr(str,false));

	}

	/**

	 * 返回首字母

	 * @param strChinese

	 * @param bUpCase

	 * @return

	 */

	public static String getPYIndexStr(String strChinese, boolean bUpCase){

		try{

			StringBuffer buffer = new StringBuffer();

			byte b[] = strChinese.getBytes("GBK");//把中文转化成byte数组

			for(int i = 0; i < b.length; i++){

				if((b[i] & 255) > 128){

					int char1 = b[i++] & 255;

					char1 <<= 8;//左移运算符用“<<”表示，是将运算符左边的对象，向左移动运算符右边指定的位数，并且在低位补零。其实，向左移n位，就相当于乘上2的n次方

					int chart = char1 + (b[i] & 255);

					buffer.append(getPYIndexChar((char)chart, bUpCase));

					continue;

				}

				char c = (char)b[i];

				if(!Character.isJavaIdentifierPart(c))//确定指定字符是否可以是 Java 标识符中首字符以外的部分。

					c = 'A';

				buffer.append(c);

			}

			return buffer.toString();

		}catch(Exception e){

			System.out.println((new StringBuilder()).append("\u53D6\u4E2D\u6587\u62FC\u97F3\u6709\u9519").append(e.getMessage()).toString());

		}

		return null;

	}

	/**

	 * 得到首字母

	 * @param strChinese

	 * @param bUpCase

	 * @return

	 */

	private static char getPYIndexChar(char strChinese, boolean bUpCase){

		int charGBK = strChinese;

		char result;

		if(charGBK >= 45217 && charGBK <= 45252)

			result = 'A';

		else

			if(charGBK >= 45253 && charGBK <= 45760)

				result = 'B';

			else

				if(charGBK >= 45761 && charGBK <= 46317)

					result = 'C';

				else

					if(charGBK >= 46318 && charGBK <= 46825)

						result = 'D';

					else

						if(charGBK >= 46826 && charGBK <= 47009)

							result = 'E';

						else

							if(charGBK >= 47010 && charGBK <= 47296)

								result = 'F';

							else

								if(charGBK >= 47297 && charGBK <= 47613)

									result = 'G';

								else

									if(charGBK >= 47614 && charGBK <= 48118)

										result = 'H';

									else

										if(charGBK >= 48119 && charGBK <= 49061)

											result = 'J';

										else

											if(charGBK >= 49062 && charGBK <= 49323)

												result = 'K';

											else

												if(charGBK >= 49324 && charGBK <= 49895)

													result = 'L';

												else

													if(charGBK >= 49896 && charGBK <= 50370)

														result = 'M';

													else

														if(charGBK >= 50371 && charGBK <= 50613)

															result = 'N';

														else

															if(charGBK >= 50614 && charGBK <= 50621)

																result = 'O';

															else

																if(charGBK >= 50622 && charGBK <= 50905)

																	result = 'P';

																else

																	if(charGBK >= 50906 && charGBK <= 51386)

																		result = 'Q';

																	else

																		if(charGBK >= 51387 && charGBK <= 51445)

																			result = 'R';

																		else

																			if(charGBK >= 51446 && charGBK <= 52217)

																				result = 'S';

																			else

																				if(charGBK >= 52218 && charGBK <= 52697)

																					result = 'T';

																				else

																					if(charGBK >= 52698 && charGBK <= 52979)

																						result = 'W';

																					else

																						if(charGBK >= 52980 && charGBK <= 53688)

																							result = 'X';

																						else

																							if(charGBK >= 53689 && charGBK <= 54480)

																								result = 'Y';

																							else

																								if(charGBK >= 54481 && charGBK <= 55289)

																									result = 'Z';

																								else

																									result = (char)(65 + (new Random()).nextInt(25));

		if(!bUpCase)

			result = Character.toLowerCase(result);

		return result;

	}

}
